Cage for roller-bearings.



Y. c. F REED cm FOR ROVLL'ER BEARINGS.

Patented July 20, 1915.

3 SHEETS-SHEET 1.

APPLICATION HLED JULY 17, 191.4.

, Y. C. FREED.

CAGE FOR ROLLER BEARINGS. APPLICATION FILED JULY 11. m4.

1 1 9 3SHEETS- Patented July 20, 1915.

SHEET 2- Y. C. FREED] CAGE FOR ROLLER BEARINGS, APPLICATION misn IULYI7. 1914.

Patented July 20, .1915.

3 SHEETS-SHEET 3-,

Ya! 6' claw-Oz.

YELLIS C. BREED, OF ROYERS FORD, PENNSYLVANIA.

fiAGE FOR ROLLER-BEARINGS.

Specification of Letters Patent.

Application filed. July 17, 1914. Serial No. 851,523.

To (ZZZ whom, it may concern:

lle it known that I, YELLIS C. Fnnno, a citizen of the United States,and a resident of Royersford, 'Montgomery county, Pennsylvania, haveinvented certain Improvements in Cages for Roller-Bearings, of"

which the following is a specification.

My invention relates to roller bearings, and the object of my inventionisto provide an improved form of cage or support for the rollers wherebythe latter may be heldin spaced relation with respect to each other andproperly retained and positioned with respect to the surface with whichsaid rollers engage.

My present improvements relate-to an unproved form or" sectional cage,and to means for retaining the shells or sect ons comprising the cage inassembled condition with the rollers retained thereby; while a furtherfeature of my invention is theemployment or" means carried by the cagesfor longitudinally positioning the rollers. a

My improved cage is preferably made of sheet metal sect-ions pressedinto shape, a1- though it will be understood that it maybe made of otherforms of metal.

These and other features of my invention are more fully describedhereinafter, reference being had to the accompanying draw ings, inwhich:

Figure 1, is a side elevation of one form of cage within the scope of myinvention, showing the rollers in place; Fig. 2, is an end elevation ofthe same; Fig. 3, is a view similar to Fig. 2, illustrating a modifiedarrangement or construction within the scope of my invention; Fig. 4, isa view of a shell employed in making up one form of cage, illustrating afurther modification within the scope of, my invention; Fig. 5, is anend elevation of the shell shown in Fig. 4; Fig. 6, is side elevation ofone of the outer shells substantially like those in Figs. 1 and 2, buthaving details of construction illustrated in Fig. 3; Fig. 7, is an endelevation the shell shown in Fig. 6; Fig. 8, is a elevation of an innershell; Fig. 9, is

.igs. 10 and 11, are enlarged views; Fig. being in section on the line11-11, Fig. 0, illustrating details of the structure shown in Figs. 1and 2; Figs. 12 and 13, are viewssimilar to Figs. 10 and 11; Fig. 13,being insection on the line 1313, Fig. 12, illustrating details of thestructure shown in ad elevation of the shell shown in Fig.-

Fig. 3; Figs. 14 and 15, are views similar to Figs. 10 and and 11; Fig.15, being in sec tion on the line 1515, Fig. 14;, illustrating detailsof the structure shown in Figs. 4 and 5; Figs. 16 and 17, are viewssimilar to Figs. 10 and 1].; Fig. 17, being in section on the line17-17, Fig. 16, illustrating a modification within the scope of myinvention; Figs. 18 and 19, are views similar to Figs. 10 and 11; Fig.19, being in section on the line 19-19, Fig. 18, illustratinganothermodification within the scope of my invention;

Fig. 20, is a perspective view illustrating a. further modifiedstructure; Fig. 21, is a plan view of a blank cut from sheet metal forshells of the type illustrated in Figs. 1, 2, 3, ct 869.; Fig. 22, is aplan view of a blank cut from sheet metal for the shell illustrated in.Figs. 4 and 5, and Fig. 28, is a plan view of a blank cut from sheetmetal for a shell of the type shown in Figs. 16- and 17.

In roller bearings of the type to which myinvention is applicable, therollers may be cylindrical or tapered, and the purpose of the cage is toretain said rollers in proper relative position with respect to eachother so as to avoid contact between the same on the one hand, whilemaintaining proper alincment with the axis of the shaft on the otherhand. I have illustrat. i ii). the accompanying drawings several typesof cages for supporting and spacing these rollers, all of which,however, have certain features in common.

Referring to Figs. 1, 2, sag, I-show a structure having a plurainy ofinner and outer shells which, when assembled together, two of each, formthe complete cage- These shells are preferably constructed as follows:Each of the outer shells has end plates 1, semi-circular in contour,andybetween the Patented July 21), 1915.

outer or longer edge of the same connecting pieces or ribs 2 areprovided, which ribs may have parallel sides, or their central portionmay be cut away, as at '3, to provide lateral projections let their endsforslight contact with the rollers. A pair of these outer sectionalshells is employed. The, in-

ner sectional shells are of substantially the same type except that theconnecting membersor ribs 2. are oppositely disposed with respect tothose of the outer shells; the

flanges or end plates 1 of theinner shells' being bent away from, Whilethose of the outer shells are bent toward, the axis of the completedcage.

moved from the joint of the outer sections or- ,shells, and they arepreferably held together by interlocking means on the end flanges of 5the respective shells. Such interlocking means may and preferably doconsist of bosses \i on the inner side of the end walls 1 of the outershells fitting recesses or cups 7 formed in the outer side of the endwalls 1" of the inner shells. These bosses'and cups are formed in saidend walls before the sections or shells are assembled with the rollers,and when put together with the .1 ollers in proper position they aresprung into place.

Their function, in the structure shown in Figs. 1 and 2,. andintheenlarged views, Figs. 10 and 11, is merely to hold the sections ofthe cage together, and for this purpose four sets of interlocking-cupsand bosses 39 will be suflioient, although more may been ployedif,desired.

- In the construction or arrangement shown in Fig. 3, and the enlargedviews, Figs. 12

and 13, the formation of'the bosses 6 and cups 7 in the end flangesis'oppbsite theaxis of the rollers, and in thisarrangement the roundedbosses or ,proj ections indicated at'6 which are formed on the innersurfaceof the inner end plates 1, are for engagement with 40 the ends ofthe rollers; such bosses or projections serving to position said rollerslongitudinally, while the bosses or projections (5 engaging the cups 7serve the function of securing the end platesof the several sectionstogether.

If desired, the two pairs of half shells,

inner and outer, suitably connected'together, by the interlockingmeansor otherwise, may lac-disposed with their joints in line-so that thecomplete 'shell is sectional and may be separated upon a median line. bIf desired, I may em ploy a cage made up ofa pair of single shellshaving continuous connecting arms or bars 2 between end plates orflanges 1"; such arms or bars being disposed either inside or outsidethe rollers, with short integialsections 8 bent from the end flanges orplates" opposite the said connecting bars 2, asshown in Figs. 4 and 5;

which shortsections serve to retain the roll-' ers in positiomas shownin Figs. 14 and 15. With this construction, the bosses 6 -may beemployed for end engagement with the rollers? v It will'be" understood,of course, that the and outer shells are employed to thereby.

rollers may be positioned longitudinally bosses formed on the inner sidethe walls of theinner shells alone, wh

cage,'with additional interlocking be. cups G-and 7 formed in therespective i 4 at two or more points to secure said end, walls togetherindependently of the bosses employed "to position therollers; suchrangement being shown in 18 and 55 It will also be understood that thebee which position the rollers longitndii may be those storm d by cuppithe i end walls to receive projeetion adjacent outer iil walls i securetogether he several en through them the shells maid:

in the structure shown in l6 and the inner shell its end wall. 1 hotel.at 9 to receive projections l0 disposed posite the connecting arms orribs 2 structure being held in place b w ldin Hy swaging, or by rivetingthe pro ections to said end wall.

In the structure shown in end Walls l are provided, can circular piecesof metal having their edges notched-at 9 to "receive .the. ends of armsor ribs 2, which are heldto said end walls by Welding, swaging orriveting'the same there Tto. These notchesmay .be undercut at the ends.'A. page so madewill have bosses formed in its-end walls to engageposition the rollers, and it will be in two parts.

If desired a cage can be made of pairs or 3161* inner and outer endwalls, each separately connected by cross bars welded, riveted, or

otherwise fastened thereto, assembled in the manner in whichtheflstructure shown in Figsfv l and 2'is assembled, and secured by theinterlocking bosses and cups.

' Figs. 21, 22 and 23, show clearly the sort of blank that is employedin making the shells for the several forms of roller-retaining cagesshown and described.

While I have shown my improved structure as employed with straightrollers, it will be understood that similarly constrncted cages,properly designed with respect to size and shape, may be employed with.ta lit pered rollers, without departing from my invention. v

I claim:

'1. A cage for roller hearings-comprising a plurality of interconnectingsectional ,lbil shells, said. shells comprising-end plates withconnectingbars, and said endplates; overlying each other and-coveringthe joints-of adjacent end plates and connected together i by mutuallyvinterlocking means. carried it s for roller bearings? comprising aplurality of interconnecting sectional shells, said shells comprisingend plates with connecting bars, said end plates overlying 2. A cagejoints oi: adng cut away said ether by inucarried thereby.

s roller bearings comprising interconnecting comprising plateswith s,said end overlying covering the joints of ad plates and being connectedtoiterlocking portions formed in m ss roller bearings comprising her andouter interconnect- .rells comprising end plates bars, said bars beingcut a a tn 1' cen ral portion to provide latenning rojections at theends, and

joints of adjacent, end plates 5 connected together by interlocknoneformed directly in said plates. a. cage for roller bearings, thecomrenal. shells having end walls and as red interconneceed relation forthe ollers, said end Walls overlyer and covering the joints of end wallshaving interlocking means, bosses "formed on the 168 of said end wallsfor bearing sent with the oi": rollers.

Q cage for roller bearings, the coinlurality of inner and outer eachhaving end walls and :onnccted relation for the o. ls, said end Wallsoverlyother and covering the joints 0 "a end walls and havinginterlocking ectinp; m ans, rollers mounted in said Walls for bearingengagends of said rollers= a cage 1'01 roller bearings, the comnralityof inner andfouter a 3 ed- 1 r the retei'ition of roll- 1. i 1 cans forconnecting the sai l sect-ions having end walls each other and coveringthe joints 5 end walls, and bosses formed on cage for roller bearings,the corn- .on of a plurality of sections each havli'ty of e d wallsassembled in intion for the retention of v on. the inner surface orengagement with and bosses formed on "I the outer end walls for rerecesses :t'orzned by the ng toconnect said end plates overlying eachother andsectional 9. The combination, in a cage for roller bearings, ofa plurality of inner and outer shells, each comprising end walls andconnecting bars therefor, the end walls of the respective shellsoverlying each other and those of one set breaking joint with those ofthe other set, said sections being secured to bars, said end wallsoverlying each other and on of a plurality of inner and outer s formedon the inner surhaving interlocking portions whereby they are securedtogetl er, and means carried by certain of said end wallsiorlongitudinally positioning the rollers. ll. A cage for roller bearingscomprising pairs of inner and outer sectional shells, each shell of eachpair having end walls with connecting bars between said end walls, theconnecting bars of one set of shells being inwardly disposed and theconnecting bars for the other set of shells being outwardly disosedwhereb a rollcr-receivin siace is provided between said connecting bars,the inner and outer end ails of the respective shells overlying eachother, and means carried by said walls whereby they may be securedtogether.

12'. A cage for roller bearings comprising pairs of inner and outersectional shells, each shell of each pair having end walls withconnecting bars between said end walls, the connecting bars of one setof shells being inwardly disposed and the connecting bars for the otherset of shells b ing outwardly disposed whereby a roller-receiving space1s provided between said connecting bars, the

inner and outer walls of the rspective shells overlying each other,interconnecting means carried by said walls whereby they may be securedtogether, and bosses carried by-ccrtain of said end Walls for hearingengagement with the ends of the rollers heldbctween the same.

13. A cage for roller bearings comprising pairs of inner and outersectional shells, each shell of each pair having end wallswith'connecting bars between said end walls, the connecting bars of oneset of shells being inwardly disposed and the connecting bars for theother set of shells being outwardly disposed ,whereby a roller-receivingspace is provided between said connecting bars, the inner and outerwalls of the respective shells overlying each other and covering thejoints of the adjacent end walls, and means carried b said walls whercbthev ma be secured meeting bars between sald end walls, the com-"necting bars of one set of shells being inwardly disposed and theconnecting bm's ifei' the other set of shells being outwardly dis} posedWheieby a roller-receiving space is provided between said connectingbars, the

inner and outer Walls of the respective shells overlying each other andcovering thejoimts' of adjacentend Wells, means carried by said 10 Wallswhereby they may be secured togetller.a

' Wells fey:

and bosses cermeoi by certmn of semi em; bearing engagement wlth the ofthe reliefs held between the same.

alestimony whereof, I havesignfl my meme to this specifieetiom, in the'preeence'eff

